.px2rem(@name, @px) {
    @{name}: @px / 75 * 1rem;
}

body {
    background: #F7F3F7;
}

.header {
    z-index: 99;
    width: 100%;
    .px2rem(height, 100);
    .px2rem(line-height, 100);
    position: fixed;
    left: 0;
    top: 0;
    display: flex;
    justify-content: space-between;
    background: #2f2f2f;
    span {
        color: white;
        .px2rem(font-size, 32);
        font-weight: bolder;
    }
    span:nth-child(1) {
        .px2rem(margin-left, 20)
    }
}

.active {
    color: red;
    border-bottom: 2px solid red;
}

.lists {
    width: 100%;
    .px2rem(margin-top, 100);
    .px2rem(margin-bottom, 100);
    .A-part {
        overflow: hidden;
        .banner {
            width: 100%;
            z-index: 99;
            .px2rem(height, 70);
            .px2rem(line-height, 70);
            position: fixed;
            left: 0;
            .px2rem(top,100);
            background: #f7f7f7;
            color: #828282;
            .nav-list {
                div {
                    text-align: center;
                    .px2rem(font-size, 24);
                    transition:border-left-color 0.5s;
                }
            }
        }
    }
}

.Menu-list {
    .px2rem(margin-top, 72);
    .list {
        width: 100%;
        
    }
}

.Hot{
    width: 100%;
    background: white;
    display: flex;
    flex-wrap: wrap;
    div{
       width: 48%;
       margin: 1%;
       img{
           width: 100%;
       }
    }
}